#! /usr/bin/env python
#coding:utf-8
import codecs
class ConvertCode(object):
    def __init__(self):
        self.lookup=codecs.lookup("utf-8")
    def convert_dict(self):
        pass
    
    def convert_str(self,str):
        return str.encode("utf-8")
    
if __name__=='__main__':
    str=u'熊'
    convert=ConvertCode()
    print convert.convert_str(str)
    
